<template>
  <div>
    <TypeNav/>
    <div class="main">
      <div class="py-container">
        <!--bread-->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <a href="#">全部结果</a>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <li class="with-x" v-if="searchParams.categoryName">{{ searchParams.categoryName }}<i
                @click="removeCategoryName">×</i></li>
            <li class="with-x" v-if="searchParams.keyword">{{ searchParams.keyword }}<i
                @click="removeKeyword">×</i></li>
            <li class="with-x" v-if="searchParams.trademark">{{ searchParams.trademark.split(':')[1] }}<i
                @click="removeTrademark">×</i></li>
            <li class="with-x" v-show="searchParams.props" v-for="(prop,index) in searchParams.props" :key="index"
                style="cursor: pointer">{{
                prop.split(':')[1]
              }}<i
                  @click="removeProp(index)">×</i></li>
          </ul>
        </div>

        <!--selector-->
        <SearchSelector @tmInfo="tmInfo"></SearchSelector>

        <!--details-->
        <div class="details clearfix">
          <div class="sui-navbar">
            <div class="navbar-inner filter">
              <ul class="sui-nav">
                <li :class="{active:isActive('1')}" @click="changeSortOder('1')">
                  <a href="#">综合<span v-show="isActive('1')"><span v-show="isOrder('asc')">⬆️</span><span
                      v-show="isOrder('desc')">⬇️</span></span></a>
                </li>
                <li :class="{active:isActive('2')}" @click="changeSortOder('2')">
                  <a href="#">价格<span v-show="isActive('2')"><span v-show="isOrder('asc')">⬆️</span><span
                      v-show="isOrder('desc')">⬇️</span></span></a>
                </li>
              </ul>
            </div>
          </div>
          <!--商品列表-->
          <div class="goods-list">
            <ul class="yui3-g">
              <li class="yui3-u-1-5" v-for="(good,index) in goodsList" :key="good.id">
                <div class="list-wrap">
                  <div class="p-img">
                    <router-link :to="`/detail/${good.id}`">
                      <!--使用图片懒加载-->
                      <img v-lazy="good.defaultImg" alt="hello"/>
                    </router-link>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥</em>
                      <i>{{ good.price }}</i>
                    </strong>
                  </div>
                  <div class="attr">
                    <a target="_blank" href="item.html"
                       v-html="good.title"></a>
                  </div>
                  <div class="commit">
                    <i class="command">已有<span>2000</span>人评价</i>
                  </div>
                  <div class="operate">
                    <a target="_blank" class="sui-btn btn-bordered btn-danger" @click="addShopCart">加入购物车</a>
                    <a href="javascript:void(0);" class="sui-btn btn-bordered">收藏</a>
                  </div>
                </div>
              </li>
            </ul>
          </div>
          <!--分页器-->
          <Pagination
              :continues="5"
              :pageNo="searchParams.pageNo"
              :pageSize="searchParams.pageSize"
              :total="total"
              @getPageNo="getPageNo"
          />
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import SearchSelector from "@/views/Search/SearchSelector/SearchSelector.vue";
import {mapGetters} from "vuex";
import Detail from "@/views/Detail/index.vue";

export default {
  // eslint-disable-next-line vue/multi-word-component-names
  name: 'Search',
  components: {
    SearchSelector
  },
  data() {
    return {
      // 跳转search组件携带的参数对象
      searchParams: {
        category1Id: "",
        category2Id: "",
        category3Id: "",
        categoryName: "",
        keyword: "",
        order: "1:desc",// 默认综合降序
        pageNo: 1,
        pageSize: 10,
        props: [],// 商品属性
        trademark: ""
      }
    }
  },
  beforeMount() {
    // Object.assign:方法用于将所有可枚举属性的值从一个或多个源对象复制到目标对象。它将返回目标对象。
    Object.assign(this.searchParams, this.$route.query, this.$route.params)
  },
  mounted() {
    this.getData();
    // 点击商品属性加入props数组
    this.$bus.$on('propsHandler', (attrValue, attr) => {
      const prop = `${attr.attrId}:${attrValue}:${attr.attrName}`;
      // 加入不能重复数组的判断
      if (this.searchParams.props.indexOf(prop) === -1) {
        // 将点击的商品属性加入props数组，
        this.searchParams.props.push(prop)
        this.getData()
      }
    });
  },
  computed: {
    ...mapGetters(['goodsList', 'attrsList', 'trademarkList', 'total']),
    // 综合和价格背景颜色(计算属性并携带参数)
    isActive() {
      return (index) => {
        return this.searchParams.order.indexOf(index) !== -1;
      }
    },
    // 价格升降序箭头
    isOrder() {
      return (sortType) => {
        return this.searchParams.order.indexOf(sortType) !== -1
      }
    }
  },
  methods: {

    // 获取搜索数据
    getData() {
      this.$store.dispatch('getSearchList', this.searchParams)
    },

    // 删除面包屑
    removeCategoryName() {
      // 设置成undefined，发送请求时，不会带去服务器，提升性能
      this.searchParams.categoryName = undefined
      this.searchParams.category1Id = undefined
      this.searchParams.category2Id = undefined
      this.searchParams.category3Id = undefined
      this.getData()
      // 清空路径上的query参数,保留params参数，跳转本路由
      this.$router.push({name: 'search', params: this.$route.params})
    },

    // 删除关键字
    removeKeyword() {
      // 将关键字置空
      this.searchParams.keyword = undefined
      // 再次发送请求
      this.getData()
      //通过全局事件总线，通知header组件置空keyword
      this.$bus.$emit("clearKeyWord")
      // 清空路径上的params参数,保留query参数，跳转本路由
      this.$router.push({name: 'search', query: this.$route.query})
    },

    // 删除品牌
    removeTrademark() {
      this.searchParams.trademark = undefined
      this.getData()
    },

    // 自定义事件回调：点击品牌显示面包屑并请求服务器
    tmInfo(tm) {
      // 参数要求
      this.searchParams.trademark = `${tm.tmId}:${tm.tmName}`
      this.getData()
    },

    // 删除商品属性面包屑
    removeProp(indexs) {
      this.searchParams.props.forEach((item, index) => {
        if (indexs === index) {
          this.searchParams.props.splice(index, 1)
          this.getData()
        }
      })
    },

    // 改变价格排序方式
    changeSortOder(type) {
      if (this.searchParams.order.split(':')[0] !== type) {
        // 切换综合和价格的按钮，初始值为desc倒序
        this.searchParams.order = `${type}:desc`
      } else if (this.searchParams.order.split(':')[1] === 'asc') {
        this.searchParams.order = `${type}:desc`;
      } else {
        this.searchParams.order = `${type}:asc`;
      }
      this.getData()
    },

    // 自定义事件：跳转指定页面
    getPageNo(pageNo) {
      this.searchParams.pageNo = pageNo
      this.getData()
    },

    // 加入购物车
    addShopCart() {
      // 调用detail组件的addShopCart()方法
      Detail.methods.addShopCart()
    }
  },
  watch: {
    // 监视路由的变化，再次发送请求获取数据
    $route() {
      // 置空三级菜单的id
      this.searchParams.category1Id = ''
      this.searchParams.category2Id = ''
      this.searchParams.category3Id = ''
      // 重新组装参数对象
      Object.assign(this.searchParams, this.$route.query, this.$route.params)
      this.getData()
    }
  }
}
</script>

<style lang="less" scoped>
.main {
  margin: 10px 0;

  .py-container {
    width: 1200px;
    margin: 0 auto;

    .bread {
      margin-bottom: 5px;
      overflow: hidden;

      .sui-breadcrumb {
        padding: 3px 15px;
        margin: 0;
        font-weight: 400;
        border-radius: 3px;
        float: left;

        li {
          display: inline-block;
          line-height: 18px;

          a {
            color: #666;
            text-decoration: none;

            &:hover {
              color: #4cb9fc;
            }
          }
        }
      }

      .sui-tag {
        margin-top: -5px;
        list-style: none;
        font-size: 0;
        line-height: 0;
        padding: 5px 0 0;
        margin-bottom: 18px;
        float: left;

        .with-x {
          font-size: 12px;
          margin: 0 5px 5px 0;
          display: inline-block;
          overflow: hidden;
          color: #000;
          background: #f7f7f7;
          padding: 0 7px;
          height: 20px;
          line-height: 20px;
          border: 1px solid #dedede;
          white-space: nowrap;
          transition: color 400ms;
          cursor: pointer;

          i {
            margin-left: 10px;
            cursor: pointer;
            font: 400 14px tahoma;
            display: inline-block;
            height: 100%;
            vertical-align: middle;
          }

          &:hover {
            color: #28a3ef;
          }
        }
      }
    }

    .details {
      margin-bottom: 5px;

      .sui-navbar {
        overflow: visible;
        margin-bottom: 0;

        .filter {
          min-height: 40px;
          padding-right: 20px;
          background: #fbfbfb;
          border: 1px solid #e2e2e2;
          padding-left: 0;
          border-radius: 0;
          box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

          .sui-nav {
            position: relative;
            left: 0;
            display: block;
            float: left;
            margin: 0 10px 0 0;

            li {
              float: left;
              line-height: 18px;

              a {
                display: block;
                cursor: pointer;
                padding: 11px 15px;
                color: #777;
                text-decoration: none;
              }

              &.active {
                a {
                  background: #e1251b;
                  color: #fff;
                }
              }
            }
          }
        }
      }

      .goods-list {
        margin: 20px 0;

        ul {
          display: flex;
          flex-wrap: wrap;

          li {
            height: 100%;
            width: 20%;
            margin-top: 10px;
            line-height: 28px;

            .list-wrap {
              .p-img {
                padding-left: 15px;
                width: 215px;
                height: 255px;

                a {
                  color: #666;

                  img {
                    max-width: 100%;
                    height: auto;
                    vertical-align: middle;
                  }
                }
              }

              .price {
                padding-left: 15px;
                font-size: 18px;
                color: #c81623;

                strong {
                  font-weight: 700;

                  i {
                    margin-left: -5px;
                  }
                }
              }

              .attr {
                padding-left: 15px;
                width: 85%;
                overflow: hidden;
                margin-bottom: 8px;
                min-height: 38px;
                cursor: pointer;
                line-height: 1.8;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;

                a {
                  color: #333;
                  text-decoration: none;
                }
              }

              .commit {
                padding-left: 15px;
                height: 22px;
                font-size: 13px;
                color: #a7a7a7;

                span {
                  font-weight: 700;
                  color: #646fb0;
                }
              }

              .operate {
                padding: 12px 15px;

                .sui-btn {
                  display: inline-block;
                  padding: 2px 14px;
                  box-sizing: border-box;
                  margin-bottom: 0;
                  font-size: 12px;
                  line-height: 18px;
                  text-align: center;
                  vertical-align: middle;
                  cursor: pointer;
                  border-radius: 0;
                  background-color: transparent;
                  margin-right: 15px;
                }

                .btn-bordered {
                  min-width: 85px;
                  background-color: transparent;
                  border: 1px solid #8c8c8c;
                  color: #8c8c8c;

                  &:hover {
                    border: 1px solid #666;
                    color: #fff !important;
                    background-color: #666;
                    text-decoration: none;
                  }
                }

                .btn-danger {
                  border: 1px solid #e1251b;
                  color: #e1251b;

                  &:hover {
                    border: 1px solid #e1251b;
                    background-color: #e1251b;
                    color: white !important;
                    text-decoration: none;
                  }
                }
              }
            }
          }
        }
      }

      .page {
        width: 733px;
        height: 66px;
        overflow: hidden;
        float: right;

        .sui-pagination {
          margin: 18px 0;

          ul {
            margin-left: 0;
            margin-bottom: 0;
            vertical-align: middle;
            width: 490px;
            float: left;

            li {
              line-height: 18px;
              display: inline-block;

              a {
                position: relative;
                float: left;
                line-height: 18px;
                text-decoration: none;
                background-color: #fff;
                border: 1px solid #e0e9ee;
                margin-left: -1px;
                font-size: 14px;
                padding: 9px 18px;
                color: #333;
              }

              &.active {
                a {
                  background-color: #fff;
                  color: #e1251b;
                  border-color: #fff;
                  cursor: default;
                }
              }

              &.prev {
                a {
                  background-color: #fafafa;
                }
              }

              &.disabled {
                a {
                  color: #999;
                  cursor: default;
                }
              }

              &.dotted {
                span {
                  margin-left: -1px;
                  position: relative;
                  float: left;
                  line-height: 18px;
                  text-decoration: none;
                  background-color: #fff;
                  font-size: 14px;
                  border: 0;
                  padding: 9px 18px;
                  color: #333;
                }
              }

              &.next {
                a {
                  background-color: #fafafa;
                }
              }
            }
          }

          div {
            color: #333;
            font-size: 14px;
            float: right;
            width: 241px;
          }
        }
      }
    }
  }
}
</style>